Watching Cuba facing down an emerging power like Brazil, or a country as vast as Mexico, brings the same image to my mind over and over. In it, a frail and toothless gentleman is showing me his muscular arms a la Arnold Schwarzenegger.

Brazilians would be far better off if its populace refused to tolerate the rogues' gallery that populates its government. But despite its social problems, the Rio Olympics may be the most entertaining Games ever.